Add failing tests

sindresorhus · Nov 16, 2019 · 2c253ca · 2c253ca
1 parent b154f53
commit 2c253ca
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Showing 2 changed files with 13 additions and 1 deletion.
diff --git a/index.test-d.ts b/index.test-d.ts
@@ -16,4 +16,16 @@ expectType<(string: string) => boolean>(
 	mem(fn, {cache: new Map<[string], {data: boolean; maxAge: number}>()})
 );
 
+/* Overloaded function tests */
+function overloadedFn(parameter: false): false;
+function overloadedFn(parameter: true): true;
+function overloadedFn(parameter: boolean): boolean {
+	return parameter;
+}
+expectType<(string: boolean) => boolean>(mem(overloadedFn));
+expectType<boolean>(mem(overloadedFn)(true));
+expectType<true>(mem(overloadedFn)(true));
+expectType<boolean>(mem(overloadedFn)(false));
+expectType<false>(mem(overloadedFn)(false));
+
 mem.clear(fn);
diff --git a/package.json b/package.json
@@ -40,7 +40,7 @@
 		"ava": "^2.4.0",
 		"delay": "^4.1.0",
 		"serialize-javascript": "^2.1.0",
-		"tsd": "^0.10.0",
+		"tsd": "^0.11.0",
 		"xo": "^0.25.3"
 	}
 }